نتایج جستجو برای: long qt in newborns
تعداد نتایج: 17076341 فیلتر نتایج به سال:
BACKGROUND The identification of the molecular-genetic substrate underlying the various forms of the congenital long-QT syndrome (LQTS) has sparked studies into possible genotype-phenotype correlations with the aim of developing genotype-tailored therapy. The onset of torsade de pointes (TdP) may differ among LQTS patients, being pause dependent in some but not all. This disparity may point to ...
AIMS Differences in the sensitivity of the genotype of the congenital long QT syndrome to sympathetic stimulation have been suggested. This study compared the influence of sympathetic stimulation on continuous corrected QT (QTc) intervals between LQT1, LQT2 and LQT3 forms of the congenital long QT syndrome. METHODS AND RESULTS We recorded a 12-lead electrocardiogram continuously before and af...
OBJECTIVE The authors aimed to determine the prevalence of drug-induced long QT at admission to a public psychiatric hospital and to document the associated factors using a cross-sectional approach. METHOD All ECG recordings over a 5-year period were reviewed for drug-induced long QT (heart-rate corrected QT ≥500 ms and certain or probable drug imputability) and associated conditions. Patient...
genetic basis of diffrent arrhythmias has always been an intresting subject of resesrch for scientists. here i will review in brief the most common familia arrhythmias and the new findings regarding their mode of inhetitance. this paper will mainly focus on the genetic basis of the long qt syndromes but we will also have a short review of the genetics of three other familia congenital arrhythmo...
Congenital long QT syndrome type 3 (LQT3) is the third in frequency compared to the 15 forms known currently of congenital long QT syndrome (LQTS). Cardiac events are less frequent in LQT3 when compared with LQT1 and LQT2, but more likely to be lethal; the likelihood of dying during a cardiac event is 20% in families with an LQT3 mutation and 4% with either an LQT1 or an LQT2 mutation. LQT3 is ...
The Blueprint Genetics Long QT Syndrome (LQTS) Panel provides efficient and rapid genetic diagnostics for all reported long QT syndrome subtypes (LQTS 1-13). Long QT syndrome is a disorder resulting from abnormal ion-channel functions leading to prolonged repolarization of cardiac muscle and manifests as long Q-T interval on electrocardiogram (ECG). LQTS can present as unexpected fainting, vent...
T o those of us who were practicing cardiology in the early 1960s, the reports from Jervell and Lange-Nielsen,1 Romano and colleagues,2 and Ward3 were welcome enlightenment for a few of our patients with alarming episodes of syncope and a family history of sudden death. Although Ward reported that one of his original patients responded to ,8-blockade and that form of therapy remains central to ...
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